PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4RO-Ring Straight Thr

Ssp Fittings Corp · NSN 5331-01-563-0808 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-563-0808 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-563-0808. Primary manufacturer part number: 4R.
Features
  • O-Ring Straight Thr — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Ssp Fittings Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring Straight Thr, cataloged under National Stock Number 5331-01-563-0808, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Ssp Fittings Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring Straight Thr
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersSsp Fittings Corp (CAGE 79926)
Technical Specifications
ParameterValue
NSN5331-01-563-0808
Primary Part Number4R
Item NameO-Ring Straight Thr
FSC / FSG5331 / 53 — O-Ring
ManufacturerSsp Fittings Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5905-00-108-4957 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5910-00-161-1103 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5910-00-164-7491 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3444-00-243-5006 INTERCHANGEABLE
Press,arbor,hand Operated
5120-00-293-0049 INTERCHANGEABLE
Pliers,retaining Ring
3010-00-330-7514 INTERCHANGEABLE
Coupling,shaft,flexible
3655-00-354-3398 INTERCHANGEABLE
Coupling,fle,ible,a
3415-00-410-20604R INTERCHANGEABLE
Grinding Machine,computer Numeri
Cinetic Landis Grinding Corp. Dba Cinetic Landis Grinding Corp.
6625-00-625-78243191-1132P1ISSUE1 INTERCHANGEABLE
Meter,special Scale
Raytheon Company Dba Raytheon Co
2815-01-648-23134R INTERCHANGEABLE
Lock,valve Spring Retainer
Subsalve Usa Llc
Cross-Reference Index
Part NumberManufacturer
4R PRIMARY Ssp Fittings Corp (USA)
Related Parts
5905-00-108-4957INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5910-00-161-1103INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5910-00-164-7491INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3444-00-243-5006INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
5120-00-293-0049INTERCHANGEABLE
PLIERS,RETAINING RING
3010-00-330-7514INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
3655-00-354-3398INTERCHANGEABLE
COUPLING,FLE,IBLE,A
3415-00-410-2060INTERCHANGEABLE
GRINDING MACHINE,COMPUTER NUMERI
4R
6625-00-625-7824INTERCHANGEABLE
METER,SPECIAL SCALE
3191-1132P1ISSUE1
2815-01-648-2313INTERCHANGEABLE
LOCK,VALVE SPRING RETAINER
4R

Frequently Asked Questions

What is NSN 5331-01-563-0808?

NSN 5331-01-563-0808 is a O-Ring Straight Thr, manufactured by Ssp Fittings Corp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-563-0808?

NSN 5331-01-563-0808 has 1 cross-referenced part number: 4R (Ssp Fittings Corp).

What NSN replaces 5331-01-563-0808?

There are 10 known substitutes for 5331-01-563-0808: 5905-00-108-4957, 5910-00-161-1103, 5910-00-164-7491 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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